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Feature Detection

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Icon Name Description
cvCanny Finds edges in an image using Canny algorithm.
cvCornerEigenValsAndVecs Calculates eigenvalues and eigenvectors of image blocks for corner detection.
cvCornerHarris Harris edge detector.
cvCornerMinEigenVal Calculates the minimal eigenvalue of gradient matrices for corner detection.
cvCornerSubPix Refines the corner locations.
cvGoodFeaturesToTrack Determines strong corners on an image.
cvHoughCircles Finds circles in a grayscale image using a Hough transform.
cvHoughLines Finds lines in a binary image using standard Hough transform.
cvHoughLinesP Finds lines segments in a binary image using probabilistic Hough transform.
cvLineSegmentDetector Finds line segments on an image.
cvPreCornerDetect Calculates the feature map for corner detection.